Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.

Struct template flatten

boost::proto::result_of::flatten — Metafunction that computes the return type of proto::flatten()


// In header: <boost/proto/fusion.hpp>

template<typename Expr> 
struct flatten {
  // types
  typedef unspecified type;